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Full Discussion: bash logging al $() command lines
Top Forums Shell Programming and Scripting bash logging al $() command lines Post 302580808 by methyl on Friday 9th of December 2011 05:17:55 PM
Old 12-09-2011
Yes, I too had a theory that the last command was sitting in a buffer but I couldn't account for the selective repetition, the overlap and the fact that it stops.
Imho it's something to do with MySQL because the issue starts when MySQL gets its first program line. I suspect that it is by-passing unix I/O mechanisms and messing with the raw device (and upsetting the Shell in the process).
If it doesn't need a terminal context, maybe try backgrounding the MySQL program.

I seem to remember you advising me that the following ksh construct doesn't work in bash (but if it does, it's worth a try):
Code:
(
# shell lines
) | program

 

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LEARN ABOUT SUSE

mysqld

MYSQLD(8)						       MySQL Database System							 MYSQLD(8)

NAME

       mysqld - the MySQL server

SYNOPSIS

       mysqld [options]

DESCRIPTION

       mysqld, also known as MySQL Server, is the main program that does most of the work in a MySQL installation. MySQL Server manages access to
       the MySQL data directory that contains databases and tables. The data directory is also the default location for other information such as
       log files and status files.

       When MySQL server starts, it listens for network connections from client programs and manages access to databases on behalf of those
       clients.

       The mysqld program has many options that can be specified at startup. For a complete list of options, run this command:

	   shell> mysqld --verbose --help

       MySQL Server also has a set of system variables that affect its operation as it runs. System variables can be set at server startup, and
       many of them can be changed at runtime to effect dynamic server reconfiguration. MySQL Server also has a set of status variables that
       provide information about its operation. You can monitor these status variables to access runtime performance characteristics.

       For a full description of MySQL Server command options, system variables, and status variables, see Section 5.1, "The MySQL Server". For
       information about installing MySQL and setting up the initial configuration, see Chapter 2, Installing and Upgrading MySQL.

COPYRIGHT

       Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc.

       This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as
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       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation,
       Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.

SEE ALSO

       For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online
       at http://dev.mysql.com/doc/.

AUTHOR

       Sun Microsystems, Inc. (http://www.mysql.com/).

MySQL 5.1							    04/06/2010								 MYSQLD(8)
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